package com.lagou.task15;



public class ArraysTest {
    public static void main(String[] args) {
        int [] arr = null;
        Array.toString(null);
        System.out.println(Array.toString( null));
        System.out.println(Array.toString(new int[]{}));


        System.out.println(Array.toString(new int[]{1, 2, 3, 4, 5}));



    }
}
